<jargon> A hopelessly clueless luser.
lamer n.[originally among Amiga fans] 1. Synonym for luser, not used much by hackers but common among warez d00dz, crackers, and phreakers. A person who downloads much, but who never uploads. (Also known as `leecher'). Oppose elite. Has the same connotations of self-conscious elitism that use of luser does among hackers.